Akira Sakuma

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wet-processing method for combustion ashes of petroleum fuels
- Patent number 7,052,660
- Issue date May 30, 2006
- Kashima-Kita, Electric Power Corporation
- Akira Sakuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing ammonium metavanadate
- Patent number 6,333,012
- Issue date Dec 25, 2001
- Kashima-Kita Electric Power Corp.
- Toshiaki Akahoshi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for treating combustion ashes
- Patent number 6,033,637
- Issue date Mar 7, 2000
- Kashima-Kita, Electric Power Corporation
- Toshiaki Akahoshi
- C01 - INORGANIC CHEMISTRY